Category:Definitions/Involutory Matrices

This category contains definitions related to Involutory Matrices.
Related results can be found in Category:Involutory Matrices.

Let $\mathbf A$ be a square matrix of order $n$.

$\mathbf A$ is an involutory matrix if and only if:

$\mathbf A^2 = \mathbf I_n$

where $\mathbf I_n$ is the identity matrix of order $n$.